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AWS Certified Solutions Architect - Professional · AWS
Select one answer.
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Use Systems Manager to deploy the CloudWatch agent (so you have CPU + memory) and then pull org‑wide rightsizing recommendations from Cost Explorer in the management account. It’s the lowest‑effort, native approach. A/D require custom tooling and pipelines; C duplicates work across every account instead of centralizing it.
Let's analyze each option based on effort: A. Marketplace tool: Effort: High Requires manual installation of a third-party tool on all instances. Needs custom script development to identify underutilized instances. Manual effort needed to reference pricing information for downsizing. B. Cost Explorer in Org Management Account: Effort: Low Leverages existing tools (CloudWatch agent & Cost Explorer) already available. Recommendations readily available in the management account. Downsizing options directly available within Cost Explorer.
Option B